28357904472

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5654

約数の個数: 128

約数和(自身を含む): 77260646400

約数和(自身を除く): 48902741928

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 361, 372, 456, 589, 722, 744, 1083, 1178, 1444, 1767, 2166, 2356, 2888, 3534, 4332, 4712, 5557, 6859, 7068, 8664, 11114, 11191, 13718, 14136, 16671, 20577, 22228, 22382, 27436, 33342, 33573, 41154, 44456, 44764, 54872, 66684, 67146, 82308, 89528, 105583, 133368, 134292, 164616, 172267, 211166, 212629, 268584, 316749, 344534, 422332, 425258, 516801, 633498, 637887, 689068, 844664, 850516, 1033602, 1266996, 1275774, 1378136, 1701032, 2006077, 2067204, 2533992, 2551548, 3273073, 4012154, 4134408, 5103096, 6018231, 6546146, 8024308, 9819219, 12036462, 13092292, 16048616, 19638438, 24072924, 26184584, 38115463, 39276876, 48145848, 62188387, 76230926, 78553752, 114346389, 124376774, 152461852, 186565161, 228692778, 248753548, 304923704, 373130322, 457385556, 497507096, 746260644, 914771112, 1181579353, 1492521288, 2363158706, 3544738059, 4726317412, 7089476118, 9452634824, 14178952236, 28357904472]

約数ペア:

[(1, 28357904472), (2, 14178952236), (3, 9452634824), (4, 7089476118), (6, 4726317412), (8, 3544738059), (12, 2363158706), (19, 1492521288), (24, 1181579353), (31, 914771112), (38, 746260644), (57, 497507096), (62, 457385556), (76, 373130322), (93, 304923704), (114, 248753548), (124, 228692778), (152, 186565161), (186, 152461852), (228, 124376774), (248, 114346389), (361, 78553752), (372, 76230926), (456, 62188387), (589, 48145848), (722, 39276876), (744, 38115463), (1083, 26184584), (1178, 24072924), (1444, 19638438), (1767, 16048616), (2166, 13092292), (2356, 12036462), (2888, 9819219), (3534, 8024308), (4332, 6546146), (4712, 6018231), (5557, 5103096), (6859, 4134408), (7068, 4012154), (8664, 3273073), (11114, 2551548), (11191, 2533992), (13718, 2067204), (14136, 2006077), (16671, 1701032), (20577, 1378136), (22228, 1275774), (22382, 1266996), (27436, 1033602), (33342, 850516), (33573, 844664), (41154, 689068), (44456, 637887), (44764, 633498), (54872, 516801), (66684, 425258), (67146, 422332), (82308, 344534), (89528, 316749), (105583, 268584), (133368, 212629), (134292, 211166), (164616, 172267)]