78898428

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 252231840

約数和(自身を除く): 173333412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 357, 378, 441, 459, 476, 588, 612, 714, 756, 833, 877, 882, 918, 1071, 1323, 1428, 1666, 1754, 1764, 1836, 2142, 2499, 2631, 2646, 3213, 3332, 3508, 4284, 4998, 5262, 5292, 6139, 6426, 7497, 7893, 9996, 10524, 12278, 12852, 14909, 14994, 15786, 18417, 22491, 23679, 24556, 29818, 29988, 31572, 36834, 42973, 44727, 44982, 47358, 55251, 59636, 73668, 85946, 89454, 89964, 94716, 104363, 110502, 128919, 134181, 165753, 171892, 178908, 208726, 221004, 257838, 268362, 313089, 331506, 386757, 402543, 417452, 515676, 536724, 626178, 663012, 730541, 773514, 805086, 939267, 1160271, 1252356, 1461082, 1547028, 1610172, 1878534, 2191623, 2320542, 2817801, 2922164, 3757068, 4383246, 4641084, 5635602, 6574869, 8766492, 11271204, 13149738, 19724607, 26299476, 39449214, 78898428]

約数ペア:

[(1, 78898428), (2, 39449214), (3, 26299476), (4, 19724607), (6, 13149738), (7, 11271204), (9, 8766492), (12, 6574869), (14, 5635602), (17, 4641084), (18, 4383246), (21, 3757068), (27, 2922164), (28, 2817801), (34, 2320542), (36, 2191623), (42, 1878534), (49, 1610172), (51, 1547028), (54, 1461082), (63, 1252356), (68, 1160271), (84, 939267), (98, 805086), (102, 773514), (108, 730541), (119, 663012), (126, 626178), (147, 536724), (153, 515676), (189, 417452), (196, 402543), (204, 386757), (238, 331506), (252, 313089), (294, 268362), (306, 257838), (357, 221004), (378, 208726), (441, 178908), (459, 171892), (476, 165753), (588, 134181), (612, 128919), (714, 110502), (756, 104363), (833, 94716), (877, 89964), (882, 89454), (918, 85946), (1071, 73668), (1323, 59636), (1428, 55251), (1666, 47358), (1754, 44982), (1764, 44727), (1836, 42973), (2142, 36834), (2499, 31572), (2631, 29988), (2646, 29818), (3213, 24556), (3332, 23679), (3508, 22491), (4284, 18417), (4998, 15786), (5262, 14994), (5292, 14909), (6139, 12852), (6426, 12278), (7497, 10524), (7893, 9996)]