81630536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 175560000

約数和(自身を除く): 93929464

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 109, 152, 218, 247, 379, 436, 494, 758, 872, 988, 1417, 1516, 1976, 2071, 2834, 3032, 4142, 4927, 5668, 7201, 8284, 9854, 11336, 14402, 16568, 19708, 26923, 28804, 39416, 41311, 53846, 57608, 82622, 93613, 107692, 165244, 187226, 215384, 330488, 374452, 537043, 748904, 784909, 1074086, 1569818, 2148172, 3139636, 4296344, 6279272, 10203817, 20407634, 40815268, 81630536]

約数ペア:

[(1, 81630536), (2, 40815268), (4, 20407634), (8, 10203817), (13, 6279272), (19, 4296344), (26, 3139636), (38, 2148172), (52, 1569818), (76, 1074086), (104, 784909), (109, 748904), (152, 537043), (218, 374452), (247, 330488), (379, 215384), (436, 187226), (494, 165244), (758, 107692), (872, 93613), (988, 82622), (1417, 57608), (1516, 53846), (1976, 41311), (2071, 39416), (2834, 28804), (3032, 26923), (4142, 19708), (4927, 16568), (5668, 14402), (7201, 11336), (8284, 9854)]