156947791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 233404416

約数和(自身を除く): 76456625

約数列:

[1, 7, 11, 13, 17, 23, 77, 91, 119, 143, 161, 187, 221, 253, 299, 391, 401, 1001, 1309, 1547, 1771, 2093, 2431, 2737, 2807, 3289, 4301, 4411, 5083, 5213, 6817, 9223, 17017, 23023, 30107, 30877, 35581, 36491, 47719, 55913, 57343, 64561, 74987, 88621, 101453, 119899, 156791, 391391, 401401, 524909, 620347, 710171, 839293, 974831, 1097537, 1318889, 1724701, 2038283, 6823817, 9232223, 12072907, 14267981, 22421113, 156947791]

約数ペア:

[(1, 156947791), (7, 22421113), (11, 14267981), (13, 12072907), (17, 9232223), (23, 6823817), (77, 2038283), (91, 1724701), (119, 1318889), (143, 1097537), (161, 974831), (187, 839293), (221, 710171), (253, 620347), (299, 524909), (391, 401401), (401, 391391), (1001, 156791), (1309, 119899), (1547, 101453), (1771, 88621), (2093, 74987), (2431, 64561), (2737, 57343), (2807, 55913), (3289, 47719), (4301, 36491), (4411, 35581), (5083, 30877), (5213, 30107), (6817, 23023), (9223, 17017)]