256540914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 676840320

約数和(自身を除く): 420299406

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 229, 238, 306, 357, 458, 523, 687, 714, 1046, 1071, 1374, 1569, 1603, 2061, 2142, 3138, 3206, 3661, 3893, 4122, 4707, 4809, 7322, 7786, 8891, 9414, 9618, 10983, 11679, 14427, 17782, 21966, 23358, 26673, 27251, 28854, 32949, 35037, 53346, 54502, 62237, 65898, 70074, 80019, 81753, 119767, 124474, 160038, 163506, 186711, 239534, 245259, 359301, 373422, 490518, 560133, 718602, 838369, 1077903, 1120266, 1676738, 2036039, 2155806, 2515107, 4072078, 5030214, 6108117, 7545321, 12216234, 14252273, 15090642, 18324351, 28504546, 36648702, 42756819, 85513638, 128270457, 256540914]

約数ペア:

[(1, 256540914), (2, 128270457), (3, 85513638), (6, 42756819), (7, 36648702), (9, 28504546), (14, 18324351), (17, 15090642), (18, 14252273), (21, 12216234), (34, 7545321), (42, 6108117), (51, 5030214), (63, 4072078), (102, 2515107), (119, 2155806), (126, 2036039), (153, 1676738), (229, 1120266), (238, 1077903), (306, 838369), (357, 718602), (458, 560133), (523, 490518), (687, 373422), (714, 359301), (1046, 245259), (1071, 239534), (1374, 186711), (1569, 163506), (1603, 160038), (2061, 124474), (2142, 119767), (3138, 81753), (3206, 80019), (3661, 70074), (3893, 65898), (4122, 62237), (4707, 54502), (4809, 53346), (7322, 35037), (7786, 32949), (8891, 28854), (9414, 27251), (9618, 26673), (10983, 23358), (11679, 21966), (14427, 17782)]