84891404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 174318480

約数和(自身を除く): 89427076

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 83, 89, 166, 169, 178, 221, 332, 338, 356, 442, 676, 884, 1079, 1157, 1411, 1513, 2158, 2314, 2822, 2873, 3026, 4316, 4628, 5644, 5746, 6052, 7387, 11492, 14027, 14774, 15041, 18343, 19669, 28054, 29548, 30082, 36686, 39338, 56108, 60164, 73372, 78676, 96031, 125579, 192062, 238459, 251158, 255697, 384124, 476918, 502316, 511394, 953836, 1022788, 1248403, 1632527, 2496806, 3265054, 4993612, 6530108, 21222851, 42445702, 84891404]

約数ペア:

[(1, 84891404), (2, 42445702), (4, 21222851), (13, 6530108), (17, 4993612), (26, 3265054), (34, 2496806), (52, 1632527), (68, 1248403), (83, 1022788), (89, 953836), (166, 511394), (169, 502316), (178, 476918), (221, 384124), (332, 255697), (338, 251158), (356, 238459), (442, 192062), (676, 125579), (884, 96031), (1079, 78676), (1157, 73372), (1411, 60164), (1513, 56108), (2158, 39338), (2314, 36686), (2822, 30082), (2873, 29548), (3026, 28054), (4316, 19669), (4628, 18343), (5644, 15041), (5746, 14774), (6052, 14027), (7387, 11492)]