641213256

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{3181}}^1$

素因数の和:3454

約数の個数: 64

約数和(自身を含む): 1654130880

約数和(自身を除く): 1012917624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 227, 296, 444, 454, 681, 888, 908, 1362, 1816, 2724, 3181, 5448, 6362, 8399, 9543, 12724, 16798, 19086, 25197, 25448, 33596, 38172, 50394, 67192, 76344, 100788, 117697, 201576, 235394, 353091, 470788, 706182, 722087, 941576, 1412364, 1444174, 2166261, 2824728, 2888348, 4332522, 5776696, 8665044, 17330088, 26717219, 53434438, 80151657, 106868876, 160303314, 213737752, 320606628, 641213256]

約数ペア:

[(1, 641213256), (2, 320606628), (3, 213737752), (4, 160303314), (6, 106868876), (8, 80151657), (12, 53434438), (24, 26717219), (37, 17330088), (74, 8665044), (111, 5776696), (148, 4332522), (222, 2888348), (227, 2824728), (296, 2166261), (444, 1444174), (454, 1412364), (681, 941576), (888, 722087), (908, 706182), (1362, 470788), (1816, 353091), (2724, 235394), (3181, 201576), (5448, 117697), (6362, 100788), (8399, 76344), (9543, 67192), (12724, 50394), (16798, 38172), (19086, 33596), (25197, 25448)]