81232648

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 182430720

約数和(自身を除く): 101198072

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 73, 124, 146, 217, 248, 292, 434, 511, 584, 641, 868, 1022, 1282, 1736, 2044, 2263, 2564, 4088, 4487, 4526, 5128, 8974, 9052, 15841, 17948, 18104, 19871, 31682, 35896, 39742, 46793, 63364, 79484, 93586, 126728, 139097, 158968, 187172, 278194, 327551, 374344, 556388, 655102, 1112776, 1310204, 1450583, 2620408, 2901166, 5802332, 10154081, 11604664, 20308162, 40616324, 81232648]

約数ペア:

[(1, 81232648), (2, 40616324), (4, 20308162), (7, 11604664), (8, 10154081), (14, 5802332), (28, 2901166), (31, 2620408), (56, 1450583), (62, 1310204), (73, 1112776), (124, 655102), (146, 556388), (217, 374344), (248, 327551), (292, 278194), (434, 187172), (511, 158968), (584, 139097), (641, 126728), (868, 93586), (1022, 79484), (1282, 63364), (1736, 46793), (2044, 39742), (2263, 35896), (2564, 31682), (4088, 19871), (4487, 18104), (4526, 17948), (5128, 15841), (8974, 9052)]