251394312

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4049}}^1$

素因数の和:4270

約数の個数: 64

約数和(自身を含む): 680400000

約数和(自身を除く): 429005688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 398, 597, 796, 1194, 1592, 2388, 2587, 4049, 4776, 5174, 7761, 8098, 10348, 12147, 15522, 16196, 20696, 24294, 31044, 32392, 48588, 52637, 62088, 97176, 105274, 157911, 210548, 315822, 421096, 631644, 805751, 1263288, 1611502, 2417253, 3223004, 4834506, 6446008, 9669012, 10474763, 19338024, 20949526, 31424289, 41899052, 62848578, 83798104, 125697156, 251394312]

約数ペア:

[(1, 251394312), (2, 125697156), (3, 83798104), (4, 62848578), (6, 41899052), (8, 31424289), (12, 20949526), (13, 19338024), (24, 10474763), (26, 9669012), (39, 6446008), (52, 4834506), (78, 3223004), (104, 2417253), (156, 1611502), (199, 1263288), (312, 805751), (398, 631644), (597, 421096), (796, 315822), (1194, 210548), (1592, 157911), (2388, 105274), (2587, 97176), (4049, 62088), (4776, 52637), (5174, 48588), (7761, 32392), (8098, 31044), (10348, 24294), (12147, 20696), (15522, 16196)]