251014752

素因数分解:

$2^5\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2131}}^1$

素因数の和:2556

約数の個数: 72

約数和(自身を含む): 715904280

約数和(自身を除く): 464889528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 409, 818, 1227, 1636, 2131, 2454, 3272, 3681, 4262, 4908, 6393, 6544, 7362, 8524, 9816, 12786, 13088, 14724, 17048, 19179, 19632, 25572, 29448, 34096, 38358, 39264, 51144, 58896, 68192, 76716, 102288, 117792, 153432, 204576, 306864, 613728, 871579, 1743158, 2614737, 3486316, 5229474, 6972632, 7844211, 10458948, 13945264, 15688422, 20917896, 27890528, 31376844, 41835792, 62753688, 83671584, 125507376, 251014752]

約数ペア:

[(1, 251014752), (2, 125507376), (3, 83671584), (4, 62753688), (6, 41835792), (8, 31376844), (9, 27890528), (12, 20917896), (16, 15688422), (18, 13945264), (24, 10458948), (32, 7844211), (36, 6972632), (48, 5229474), (72, 3486316), (96, 2614737), (144, 1743158), (288, 871579), (409, 613728), (818, 306864), (1227, 204576), (1636, 153432), (2131, 117792), (2454, 102288), (3272, 76716), (3681, 68192), (4262, 58896), (4908, 51144), (6393, 39264), (6544, 38358), (7362, 34096), (8524, 29448), (9816, 25572), (12786, 19632), (13088, 19179), (14724, 17048)]