51122968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 108299520

約数和(自身を除く): 57176552

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 101, 104, 124, 157, 202, 248, 314, 403, 404, 628, 806, 808, 1256, 1313, 1612, 2041, 2626, 3131, 3224, 4082, 4867, 5252, 6262, 8164, 9734, 10504, 12524, 15857, 16328, 19468, 25048, 31714, 38936, 40703, 63271, 63428, 81406, 126542, 126856, 162812, 206141, 253084, 325624, 412282, 491567, 506168, 824564, 983134, 1649128, 1966268, 3932536, 6390371, 12780742, 25561484, 51122968]

約数ペア:

[(1, 51122968), (2, 25561484), (4, 12780742), (8, 6390371), (13, 3932536), (26, 1966268), (31, 1649128), (52, 983134), (62, 824564), (101, 506168), (104, 491567), (124, 412282), (157, 325624), (202, 253084), (248, 206141), (314, 162812), (403, 126856), (404, 126542), (628, 81406), (806, 63428), (808, 63271), (1256, 40703), (1313, 38936), (1612, 31714), (2041, 25048), (2626, 19468), (3131, 16328), (3224, 15857), (4082, 12524), (4867, 10504), (5252, 9734), (6262, 8164)]