427847290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 850695552

約数和(自身を除く): 422848262

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 163, 305, 326, 331, 610, 662, 793, 815, 1586, 1630, 1655, 2119, 3310, 3965, 4238, 4303, 7930, 8606, 9943, 10595, 19886, 20191, 21190, 21515, 40382, 43030, 49715, 53953, 99430, 100955, 107906, 129259, 201910, 258518, 262483, 269765, 524966, 539530, 646295, 701389, 1292590, 1312415, 1402778, 2624830, 3291133, 3506945, 6582266, 7013890, 16455665, 32911330, 42784729, 85569458, 213923645, 427847290]

約数ペア:

[(1, 427847290), (2, 213923645), (5, 85569458), (10, 42784729), (13, 32911330), (26, 16455665), (61, 7013890), (65, 6582266), (122, 3506945), (130, 3291133), (163, 2624830), (305, 1402778), (326, 1312415), (331, 1292590), (610, 701389), (662, 646295), (793, 539530), (815, 524966), (1586, 269765), (1630, 262483), (1655, 258518), (2119, 201910), (3310, 129259), (3965, 107906), (4238, 100955), (4303, 99430), (7930, 53953), (8606, 49715), (9943, 43030), (10595, 40382), (19886, 21515), (20191, 21190)]