68147248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 149177952

約数和(自身を除く): 81030704

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 61, 82, 104, 122, 131, 164, 208, 244, 262, 328, 488, 524, 533, 656, 793, 976, 1048, 1066, 1586, 1703, 2096, 2132, 2501, 3172, 3406, 4264, 5002, 5371, 6344, 6812, 7991, 8528, 10004, 10742, 12688, 13624, 15982, 20008, 21484, 27248, 31964, 32513, 40016, 42968, 63928, 65026, 69823, 85936, 103883, 127856, 130052, 139646, 207766, 260104, 279292, 327631, 415532, 520208, 558584, 655262, 831064, 1117168, 1310524, 1662128, 2621048, 4259203, 5242096, 8518406, 17036812, 34073624, 68147248]

約数ペア:

[(1, 68147248), (2, 34073624), (4, 17036812), (8, 8518406), (13, 5242096), (16, 4259203), (26, 2621048), (41, 1662128), (52, 1310524), (61, 1117168), (82, 831064), (104, 655262), (122, 558584), (131, 520208), (164, 415532), (208, 327631), (244, 279292), (262, 260104), (328, 207766), (488, 139646), (524, 130052), (533, 127856), (656, 103883), (793, 85936), (976, 69823), (1048, 65026), (1066, 63928), (1586, 42968), (1703, 40016), (2096, 32513), (2132, 31964), (2501, 27248), (3172, 21484), (3406, 20008), (4264, 15982), (5002, 13624), (5371, 12688), (6344, 10742), (6812, 10004), (7991, 8528)]