638962350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{327673}}^1$

素因数の和:327701

約数の個数: 48

約数和(自身を含む): 1706526192

約数和(自身を除く): 1067563842

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 327673, 655346, 983019, 1638365, 1966038, 3276730, 4259749, 4915095, 8191825, 8519498, 9830190, 12779247, 16383650, 21298745, 24575475, 25558494, 42597490, 49150950, 63896235, 106493725, 127792470, 212987450, 319481175, 638962350]

約数ペア:

[(1, 638962350), (2, 319481175), (3, 212987450), (5, 127792470), (6, 106493725), (10, 63896235), (13, 49150950), (15, 42597490), (25, 25558494), (26, 24575475), (30, 21298745), (39, 16383650), (50, 12779247), (65, 9830190), (75, 8519498), (78, 8191825), (130, 4915095), (150, 4259749), (195, 3276730), (325, 1966038), (390, 1638365), (650, 983019), (975, 655346), (1950, 327673)]