28629770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 59633280

約数和(自身を除く): 31003510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 130, 134, 173, 190, 247, 335, 346, 494, 670, 865, 871, 1235, 1273, 1730, 1742, 2249, 2470, 2546, 3287, 4355, 4498, 6365, 6574, 8710, 11245, 11591, 12730, 16435, 16549, 22490, 23182, 32870, 33098, 42731, 57955, 82745, 85462, 115910, 150683, 165490, 213655, 220229, 301366, 427310, 440458, 753415, 1101145, 1506830, 2202290, 2862977, 5725954, 14314885, 28629770]

約数ペア:

[(1, 28629770), (2, 14314885), (5, 5725954), (10, 2862977), (13, 2202290), (19, 1506830), (26, 1101145), (38, 753415), (65, 440458), (67, 427310), (95, 301366), (130, 220229), (134, 213655), (173, 165490), (190, 150683), (247, 115910), (335, 85462), (346, 82745), (494, 57955), (670, 42731), (865, 33098), (871, 32870), (1235, 23182), (1273, 22490), (1730, 16549), (1742, 16435), (2249, 12730), (2470, 11591), (2546, 11245), (3287, 8710), (4355, 6574), (4498, 6365)]