131968278

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:531

約数の個数: 80

約数和(自身を含む): 321019776

約数和(自身を除く): 189051498

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 223, 234, 281, 351, 446, 562, 669, 702, 843, 1053, 1338, 1686, 2007, 2106, 2529, 2899, 3653, 4014, 5058, 5798, 6021, 7306, 7587, 8697, 10959, 12042, 15174, 17394, 18063, 21918, 22761, 26091, 32877, 36126, 45522, 52182, 62663, 65754, 78273, 98631, 125326, 156546, 187989, 197262, 234819, 295893, 375978, 469638, 563967, 591786, 814619, 1127934, 1629238, 1691901, 2443857, 3383802, 4887714, 5075703, 7331571, 10151406, 14663142, 21994713, 43989426, 65984139, 131968278]

約数ペア:

[(1, 131968278), (2, 65984139), (3, 43989426), (6, 21994713), (9, 14663142), (13, 10151406), (18, 7331571), (26, 5075703), (27, 4887714), (39, 3383802), (54, 2443857), (78, 1691901), (81, 1629238), (117, 1127934), (162, 814619), (223, 591786), (234, 563967), (281, 469638), (351, 375978), (446, 295893), (562, 234819), (669, 197262), (702, 187989), (843, 156546), (1053, 125326), (1338, 98631), (1686, 78273), (2007, 65754), (2106, 62663), (2529, 52182), (2899, 45522), (3653, 36126), (4014, 32877), (5058, 26091), (5798, 22761), (6021, 21918), (7306, 18063), (7587, 17394), (8697, 15174), (10959, 12042)]