81619668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 239104320

約数和(自身を除く): 157484652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 67, 76, 78, 114, 117, 134, 137, 156, 171, 201, 228, 234, 247, 268, 274, 342, 402, 411, 468, 494, 548, 603, 684, 741, 804, 822, 871, 988, 1206, 1233, 1273, 1482, 1644, 1742, 1781, 2223, 2412, 2466, 2546, 2603, 2613, 2964, 3484, 3562, 3819, 4446, 4932, 5092, 5206, 5226, 5343, 7124, 7638, 7809, 7839, 8892, 9179, 10412, 10452, 10686, 11457, 15276, 15618, 15678, 16029, 16549, 18358, 21372, 22914, 23427, 27537, 31236, 31356, 32058, 33098, 33839, 36716, 45828, 46854, 49647, 55074, 64116, 66196, 67678, 82611, 93708, 99294, 101517, 110148, 119327, 135356, 148941, 165222, 174401, 198588, 203034, 238654, 297882, 304551, 330444, 348802, 357981, 406068, 477308, 523203, 595764, 609102, 697604, 715962, 1046406, 1073943, 1218204, 1431924, 1569609, 2092812, 2147886, 2267213, 3139218, 4295772, 4534426, 6278436, 6801639, 9068852, 13603278, 20404917, 27206556, 40809834, 81619668]

約数ペア:

[(1, 81619668), (2, 40809834), (3, 27206556), (4, 20404917), (6, 13603278), (9, 9068852), (12, 6801639), (13, 6278436), (18, 4534426), (19, 4295772), (26, 3139218), (36, 2267213), (38, 2147886), (39, 2092812), (52, 1569609), (57, 1431924), (67, 1218204), (76, 1073943), (78, 1046406), (114, 715962), (117, 697604), (134, 609102), (137, 595764), (156, 523203), (171, 477308), (201, 406068), (228, 357981), (234, 348802), (247, 330444), (268, 304551), (274, 297882), (342, 238654), (402, 203034), (411, 198588), (468, 174401), (494, 165222), (548, 148941), (603, 135356), (684, 119327), (741, 110148), (804, 101517), (822, 99294), (871, 93708), (988, 82611), (1206, 67678), (1233, 66196), (1273, 64116), (1482, 55074), (1644, 49647), (1742, 46854), (1781, 45828), (2223, 36716), (2412, 33839), (2466, 33098), (2546, 32058), (2603, 31356), (2613, 31236), (2964, 27537), (3484, 23427), (3562, 22914), (3819, 21372), (4446, 18358), (4932, 16549), (5092, 16029), (5206, 15678), (5226, 15618), (5343, 15276), (7124, 11457), (7638, 10686), (7809, 10452), (7839, 10412), (8892, 9179)]