81643608

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1681

約数の個数: 96

約数和(自身を含む): 239194800

約数和(自身を除く): 157551192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 296, 333, 342, 444, 456, 666, 684, 703, 888, 1332, 1368, 1406, 1613, 2109, 2664, 2812, 3226, 4218, 4839, 5624, 6327, 6452, 8436, 9678, 12654, 12904, 14517, 16872, 19356, 25308, 29034, 30647, 38712, 50616, 58068, 59681, 61294, 91941, 116136, 119362, 122588, 179043, 183882, 238724, 245176, 275823, 358086, 367764, 477448, 537129, 551646, 716172, 735528, 1074258, 1103292, 1133939, 1432344, 2148516, 2206584, 2267878, 3401817, 4297032, 4535756, 6803634, 9071512, 10205451, 13607268, 20410902, 27214536, 40821804, 81643608]

約数ペア:

[(1, 81643608), (2, 40821804), (3, 27214536), (4, 20410902), (6, 13607268), (8, 10205451), (9, 9071512), (12, 6803634), (18, 4535756), (19, 4297032), (24, 3401817), (36, 2267878), (37, 2206584), (38, 2148516), (57, 1432344), (72, 1133939), (74, 1103292), (76, 1074258), (111, 735528), (114, 716172), (148, 551646), (152, 537129), (171, 477448), (222, 367764), (228, 358086), (296, 275823), (333, 245176), (342, 238724), (444, 183882), (456, 179043), (666, 122588), (684, 119362), (703, 116136), (888, 91941), (1332, 61294), (1368, 59681), (1406, 58068), (1613, 50616), (2109, 38712), (2664, 30647), (2812, 29034), (3226, 25308), (4218, 19356), (4839, 16872), (5624, 14517), (6327, 12904), (6452, 12654), (8436, 9678)]