68157964

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 150141600

約数和(自身を除く): 81983636

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 149, 217, 238, 298, 434, 476, 527, 596, 868, 961, 1043, 1054, 1922, 2086, 2108, 2533, 3689, 3844, 4172, 4619, 5066, 6727, 7378, 9238, 10132, 13454, 14756, 16337, 17731, 18476, 26908, 32333, 32674, 35462, 64666, 65348, 70924, 78523, 114359, 129332, 143189, 157046, 228718, 286378, 314092, 457436, 549661, 572756, 1002323, 1099322, 2004646, 2198644, 2434213, 4009292, 4868426, 9736852, 17039491, 34078982, 68157964]

約数ペア:

[(1, 68157964), (2, 34078982), (4, 17039491), (7, 9736852), (14, 4868426), (17, 4009292), (28, 2434213), (31, 2198644), (34, 2004646), (62, 1099322), (68, 1002323), (119, 572756), (124, 549661), (149, 457436), (217, 314092), (238, 286378), (298, 228718), (434, 157046), (476, 143189), (527, 129332), (596, 114359), (868, 78523), (961, 70924), (1043, 65348), (1054, 64666), (1922, 35462), (2086, 32674), (2108, 32333), (2533, 26908), (3689, 18476), (3844, 17731), (4172, 16337), (4619, 14756), (5066, 13454), (6727, 10132), (7378, 9238)]