15566590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 31042656

約数和(自身を除く): 15476066

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 151, 169, 302, 305, 338, 610, 755, 793, 845, 1510, 1586, 1690, 1963, 3926, 3965, 7930, 9211, 9815, 10309, 18422, 19630, 20618, 25519, 46055, 51038, 51545, 92110, 103090, 119743, 127595, 239486, 255190, 598715, 1197430, 1556659, 3113318, 7783295, 15566590]

約数ペア:

[(1, 15566590), (2, 7783295), (5, 3113318), (10, 1556659), (13, 1197430), (26, 598715), (61, 255190), (65, 239486), (122, 127595), (130, 119743), (151, 103090), (169, 92110), (302, 51545), (305, 51038), (338, 46055), (610, 25519), (755, 20618), (793, 19630), (845, 18422), (1510, 10309), (1586, 9815), (1690, 9211), (1963, 7930), (3926, 3965)]