161671972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 108

約数和(自身を含む): 383992812

約数和(自身を除く): 222320840

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 121, 154, 187, 196, 238, 242, 308, 374, 401, 476, 484, 539, 748, 802, 833, 847, 1078, 1309, 1604, 1666, 1694, 2057, 2156, 2618, 2807, 3332, 3388, 4114, 4411, 5236, 5614, 5929, 6817, 8228, 8822, 9163, 11228, 11858, 13634, 14399, 17644, 18326, 19649, 23716, 27268, 28798, 30877, 36652, 39298, 47719, 48521, 57596, 61754, 74987, 78596, 95438, 97042, 100793, 123508, 149974, 190876, 194084, 201586, 216139, 299948, 334033, 339647, 403172, 432278, 524909, 668066, 679294, 824857, 864556, 1049818, 1336132, 1358588, 1649714, 2099636, 2377529, 3299428, 3674363, 4755058, 5773999, 7348726, 9510116, 11547998, 14697452, 23095996, 40417993, 80835986, 161671972]

約数ペア:

[(1, 161671972), (2, 80835986), (4, 40417993), (7, 23095996), (11, 14697452), (14, 11547998), (17, 9510116), (22, 7348726), (28, 5773999), (34, 4755058), (44, 3674363), (49, 3299428), (68, 2377529), (77, 2099636), (98, 1649714), (119, 1358588), (121, 1336132), (154, 1049818), (187, 864556), (196, 824857), (238, 679294), (242, 668066), (308, 524909), (374, 432278), (401, 403172), (476, 339647), (484, 334033), (539, 299948), (748, 216139), (802, 201586), (833, 194084), (847, 190876), (1078, 149974), (1309, 123508), (1604, 100793), (1666, 97042), (1694, 95438), (2057, 78596), (2156, 74987), (2618, 61754), (2807, 57596), (3332, 48521), (3388, 47719), (4114, 39298), (4411, 36652), (5236, 30877), (5614, 28798), (5929, 27268), (6817, 23716), (8228, 19649), (8822, 18326), (9163, 17644), (11228, 14399), (11858, 13634)]