80870972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1915

約数の個数: 72

約数和(自身を含む): 187823664

約数和(自身を除く): 106952692

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 833, 884, 1274, 1547, 1666, 1867, 2548, 3094, 3332, 3734, 6188, 7468, 10829, 13069, 21658, 24271, 26138, 31739, 43316, 48542, 52276, 63478, 91483, 97084, 126956, 169897, 182966, 222173, 339794, 365932, 412607, 444346, 679588, 825214, 888692, 1189279, 1555211, 1650428, 2378558, 2888249, 3110422, 4757116, 5776498, 6220844, 11552996, 20217743, 40435486, 80870972]

約数ペア:

[(1, 80870972), (2, 40435486), (4, 20217743), (7, 11552996), (13, 6220844), (14, 5776498), (17, 4757116), (26, 3110422), (28, 2888249), (34, 2378558), (49, 1650428), (52, 1555211), (68, 1189279), (91, 888692), (98, 825214), (119, 679588), (182, 444346), (196, 412607), (221, 365932), (238, 339794), (364, 222173), (442, 182966), (476, 169897), (637, 126956), (833, 97084), (884, 91483), (1274, 63478), (1547, 52276), (1666, 48542), (1867, 43316), (2548, 31739), (3094, 26138), (3332, 24271), (3734, 21658), (6188, 13069), (7468, 10829)]