28121496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 76295520

約数和(自身を除く): 48174024

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 519, 521, 692, 1038, 1042, 1384, 1563, 2076, 2084, 2249, 3126, 4152, 4168, 4498, 6252, 6747, 6773, 8996, 12504, 13494, 13546, 17992, 20319, 26988, 27092, 40638, 53976, 54184, 81276, 90133, 162552, 180266, 270399, 360532, 540798, 721064, 1081596, 1171729, 2163192, 2343458, 3515187, 4686916, 7030374, 9373832, 14060748, 28121496]

約数ペア:

[(1, 28121496), (2, 14060748), (3, 9373832), (4, 7030374), (6, 4686916), (8, 3515187), (12, 2343458), (13, 2163192), (24, 1171729), (26, 1081596), (39, 721064), (52, 540798), (78, 360532), (104, 270399), (156, 180266), (173, 162552), (312, 90133), (346, 81276), (519, 54184), (521, 53976), (692, 40638), (1038, 27092), (1042, 26988), (1384, 20319), (1563, 17992), (2076, 13546), (2084, 13494), (2249, 12504), (3126, 8996), (4152, 6773), (4168, 6747), (4498, 6252)]