68208556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 149022720

約数和(自身を除く): 80814164

約数列:

[1, 2, 4, 13, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 124, 131, 221, 247, 262, 323, 403, 442, 494, 524, 527, 589, 646, 806, 884, 988, 1054, 1178, 1292, 1612, 1703, 2108, 2227, 2356, 2489, 3406, 4061, 4199, 4454, 4978, 6812, 6851, 7657, 8122, 8398, 8908, 9956, 10013, 13702, 15314, 16244, 16796, 20026, 27404, 28951, 30628, 32357, 40052, 42313, 52793, 57902, 64714, 69037, 77159, 84626, 105586, 115804, 129428, 130169, 138074, 154318, 169252, 211172, 260338, 276148, 308636, 520676, 550069, 897481, 1003067, 1100138, 1311703, 1794962, 2006134, 2200276, 2623406, 3589924, 4012268, 5246812, 17052139, 34104278, 68208556]

約数ペア:

[(1, 68208556), (2, 34104278), (4, 17052139), (13, 5246812), (17, 4012268), (19, 3589924), (26, 2623406), (31, 2200276), (34, 2006134), (38, 1794962), (52, 1311703), (62, 1100138), (68, 1003067), (76, 897481), (124, 550069), (131, 520676), (221, 308636), (247, 276148), (262, 260338), (323, 211172), (403, 169252), (442, 154318), (494, 138074), (524, 130169), (527, 129428), (589, 115804), (646, 105586), (806, 84626), (884, 77159), (988, 69037), (1054, 64714), (1178, 57902), (1292, 52793), (1612, 42313), (1703, 40052), (2108, 32357), (2227, 30628), (2356, 28951), (2489, 27404), (3406, 20026), (4061, 16796), (4199, 16244), (4454, 15314), (4978, 13702), (6812, 10013), (6851, 9956), (7657, 8908), (8122, 8398)]