398879572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{1303}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 890454656

約数和(自身を除く): 491575084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 841, 1303, 1508, 1682, 2606, 2639, 3364, 5212, 5278, 5887, 9121, 10556, 10933, 11774, 16939, 18242, 21866, 23548, 33878, 36484, 37787, 43732, 67756, 75574, 76531, 118573, 151148, 153062, 237146, 264509, 306124, 474292, 491231, 529018, 982462, 1058036, 1095823, 1964924, 2191646, 3438617, 4383292, 6877234, 7670761, 13754468, 14245699, 15341522, 28491398, 30683044, 56982796, 99719893, 199439786, 398879572]

約数ペア:

[(1, 398879572), (2, 199439786), (4, 99719893), (7, 56982796), (13, 30683044), (14, 28491398), (26, 15341522), (28, 14245699), (29, 13754468), (52, 7670761), (58, 6877234), (91, 4383292), (116, 3438617), (182, 2191646), (203, 1964924), (364, 1095823), (377, 1058036), (406, 982462), (754, 529018), (812, 491231), (841, 474292), (1303, 306124), (1508, 264509), (1682, 237146), (2606, 153062), (2639, 151148), (3364, 118573), (5212, 76531), (5278, 75574), (5887, 67756), (9121, 43732), (10556, 37787), (10933, 36484), (11774, 33878), (16939, 23548), (18242, 21866)]