28420728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1013}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 53348232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 167, 168, 334, 501, 668, 1002, 1013, 1169, 1336, 2004, 2026, 2338, 3039, 3507, 4008, 4052, 4676, 6078, 7014, 7091, 8104, 9352, 12156, 14028, 14182, 21273, 24312, 28056, 28364, 42546, 56728, 85092, 169171, 170184, 338342, 507513, 676684, 1015026, 1184197, 1353368, 2030052, 2368394, 3552591, 4060104, 4736788, 7105182, 9473576, 14210364, 28420728]

約数ペア:

[(1, 28420728), (2, 14210364), (3, 9473576), (4, 7105182), (6, 4736788), (7, 4060104), (8, 3552591), (12, 2368394), (14, 2030052), (21, 1353368), (24, 1184197), (28, 1015026), (42, 676684), (56, 507513), (84, 338342), (167, 170184), (168, 169171), (334, 85092), (501, 56728), (668, 42546), (1002, 28364), (1013, 28056), (1169, 24312), (1336, 21273), (2004, 14182), (2026, 14028), (2338, 12156), (3039, 9352), (3507, 8104), (4008, 7091), (4052, 7014), (4676, 6078)]