72721502

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 136581120

約数和(自身を除く): 63859618

約数列:

[1, 2, 7, 14, 29, 37, 47, 58, 74, 94, 103, 203, 206, 259, 329, 406, 518, 658, 721, 1073, 1363, 1442, 1739, 2146, 2726, 2987, 3478, 3811, 4841, 5974, 7511, 7622, 9541, 9682, 12173, 15022, 19082, 20909, 24346, 26677, 33887, 41818, 50431, 53354, 67774, 100862, 110519, 140389, 179117, 221038, 280778, 353017, 358234, 706034, 773633, 982723, 1253819, 1547266, 1965446, 2507638, 5194393, 10388786, 36360751, 72721502]

約数ペア:

[(1, 72721502), (2, 36360751), (7, 10388786), (14, 5194393), (29, 2507638), (37, 1965446), (47, 1547266), (58, 1253819), (74, 982723), (94, 773633), (103, 706034), (203, 358234), (206, 353017), (259, 280778), (329, 221038), (406, 179117), (518, 140389), (658, 110519), (721, 100862), (1073, 67774), (1363, 53354), (1442, 50431), (1739, 41818), (2146, 33887), (2726, 26677), (2987, 24346), (3478, 20909), (3811, 19082), (4841, 15022), (5974, 12173), (7511, 9682), (7622, 9541)]