81925116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 245952000

約数和(自身を除く): 164026884

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 169, 174, 182, 199, 203, 273, 338, 348, 364, 377, 398, 406, 507, 546, 597, 609, 676, 754, 796, 812, 1014, 1092, 1131, 1183, 1194, 1218, 1393, 1508, 2028, 2262, 2366, 2388, 2436, 2587, 2639, 2786, 3549, 4179, 4524, 4732, 4901, 5174, 5278, 5572, 5771, 7098, 7761, 7917, 8358, 9802, 10348, 10556, 11542, 14196, 14703, 15522, 15834, 16716, 17313, 18109, 19604, 23084, 29406, 31044, 31668, 33631, 34307, 34626, 36218, 40397, 54327, 58812, 67262, 68614, 69252, 72436, 75023, 80794, 100893, 102921, 108654, 121191, 134524, 137228, 150046, 161588, 201786, 205842, 217308, 225069, 235417, 242382, 300092, 403572, 411684, 450138, 470834, 484764, 525161, 706251, 900276, 941668, 975299, 1050322, 1412502, 1575483, 1950598, 2100644, 2825004, 2925897, 3150966, 3901196, 5851794, 6301932, 6827093, 11703588, 13654186, 20481279, 27308372, 40962558, 81925116]

約数ペア:

[(1, 81925116), (2, 40962558), (3, 27308372), (4, 20481279), (6, 13654186), (7, 11703588), (12, 6827093), (13, 6301932), (14, 5851794), (21, 3901196), (26, 3150966), (28, 2925897), (29, 2825004), (39, 2100644), (42, 1950598), (52, 1575483), (58, 1412502), (78, 1050322), (84, 975299), (87, 941668), (91, 900276), (116, 706251), (156, 525161), (169, 484764), (174, 470834), (182, 450138), (199, 411684), (203, 403572), (273, 300092), (338, 242382), (348, 235417), (364, 225069), (377, 217308), (398, 205842), (406, 201786), (507, 161588), (546, 150046), (597, 137228), (609, 134524), (676, 121191), (754, 108654), (796, 102921), (812, 100893), (1014, 80794), (1092, 75023), (1131, 72436), (1183, 69252), (1194, 68614), (1218, 67262), (1393, 58812), (1508, 54327), (2028, 40397), (2262, 36218), (2366, 34626), (2388, 34307), (2436, 33631), (2587, 31668), (2639, 31044), (2786, 29406), (3549, 23084), (4179, 19604), (4524, 18109), (4732, 17313), (4901, 16716), (5174, 15834), (5278, 15522), (5572, 14703), (5771, 14196), (7098, 11542), (7761, 10556), (7917, 10348), (8358, 9802)]