286587868

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1955

約数の個数: 72

約数和(自身を含む): 629430480

約数和(自身を除く): 342842612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 49, 76, 82, 98, 133, 164, 196, 266, 287, 532, 574, 779, 931, 1148, 1558, 1862, 1877, 2009, 3116, 3724, 3754, 4018, 5453, 7508, 8036, 10906, 13139, 21812, 26278, 35663, 38171, 52556, 71326, 76342, 76957, 91973, 142652, 152684, 153914, 183946, 249641, 307828, 367892, 499282, 538699, 998564, 1077398, 1462183, 1747487, 2154796, 2924366, 3494974, 3770893, 5848732, 6989948, 7541786, 10235281, 15083572, 20470562, 40941124, 71646967, 143293934, 286587868]

約数ペア:

[(1, 286587868), (2, 143293934), (4, 71646967), (7, 40941124), (14, 20470562), (19, 15083572), (28, 10235281), (38, 7541786), (41, 6989948), (49, 5848732), (76, 3770893), (82, 3494974), (98, 2924366), (133, 2154796), (164, 1747487), (196, 1462183), (266, 1077398), (287, 998564), (532, 538699), (574, 499282), (779, 367892), (931, 307828), (1148, 249641), (1558, 183946), (1862, 153914), (1877, 152684), (2009, 142652), (3116, 91973), (3724, 76957), (3754, 76342), (4018, 71326), (5453, 52556), (7508, 38171), (8036, 35663), (10906, 26278), (13139, 21812)]