219911796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 641729088

約数和(自身を除く): 421817292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 131, 153, 156, 204, 211, 221, 234, 262, 306, 393, 422, 442, 468, 524, 612, 633, 663, 786, 844, 884, 1179, 1266, 1326, 1572, 1703, 1899, 1989, 2227, 2358, 2532, 2652, 2743, 3406, 3587, 3798, 3978, 4454, 4716, 5109, 5486, 6681, 6812, 7174, 7596, 7956, 8229, 8908, 10218, 10761, 10972, 13362, 14348, 15327, 16458, 20043, 20436, 21522, 24687, 26724, 27641, 28951, 30654, 32283, 32916, 40086, 43044, 46631, 49374, 55282, 57902, 61308, 64566, 80172, 82923, 86853, 93262, 98748, 110564, 115804, 129132, 139893, 165846, 173706, 186524, 248769, 260559, 279786, 331692, 347412, 359333, 419679, 469897, 497538, 521118, 559572, 718666, 839358, 939794, 995076, 1042236, 1077999, 1409691, 1437332, 1678716, 1879588, 2155998, 2819382, 3233997, 4229073, 4311996, 5638764, 6108661, 6467994, 8458146, 12217322, 12935988, 16916292, 18325983, 24434644, 36651966, 54977949, 73303932, 109955898, 219911796]

約数ペア:

[(1, 219911796), (2, 109955898), (3, 73303932), (4, 54977949), (6, 36651966), (9, 24434644), (12, 18325983), (13, 16916292), (17, 12935988), (18, 12217322), (26, 8458146), (34, 6467994), (36, 6108661), (39, 5638764), (51, 4311996), (52, 4229073), (68, 3233997), (78, 2819382), (102, 2155998), (117, 1879588), (131, 1678716), (153, 1437332), (156, 1409691), (204, 1077999), (211, 1042236), (221, 995076), (234, 939794), (262, 839358), (306, 718666), (393, 559572), (422, 521118), (442, 497538), (468, 469897), (524, 419679), (612, 359333), (633, 347412), (663, 331692), (786, 279786), (844, 260559), (884, 248769), (1179, 186524), (1266, 173706), (1326, 165846), (1572, 139893), (1703, 129132), (1899, 115804), (1989, 110564), (2227, 98748), (2358, 93262), (2532, 86853), (2652, 82923), (2743, 80172), (3406, 64566), (3587, 61308), (3798, 57902), (3978, 55282), (4454, 49374), (4716, 46631), (5109, 43044), (5486, 40086), (6681, 32916), (6812, 32283), (7174, 30654), (7596, 28951), (7956, 27641), (8229, 26724), (8908, 24687), (10218, 21522), (10761, 20436), (10972, 20043), (13362, 16458), (14348, 15327)]