15970458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 38522880

約数和(自身を除く): 22552422

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 43, 74, 86, 111, 129, 222, 239, 258, 259, 301, 478, 518, 602, 717, 777, 903, 1434, 1554, 1591, 1673, 1806, 3182, 3346, 4773, 5019, 8843, 9546, 10038, 10277, 11137, 17686, 20554, 22274, 26529, 30831, 33411, 53058, 61662, 61901, 66822, 71939, 123802, 143878, 185703, 215817, 371406, 380249, 431634, 760498, 1140747, 2281494, 2661743, 5323486, 7985229, 15970458]

約数ペア:

[(1, 15970458), (2, 7985229), (3, 5323486), (6, 2661743), (7, 2281494), (14, 1140747), (21, 760498), (37, 431634), (42, 380249), (43, 371406), (74, 215817), (86, 185703), (111, 143878), (129, 123802), (222, 71939), (239, 66822), (258, 61901), (259, 61662), (301, 53058), (478, 33411), (518, 30831), (602, 26529), (717, 22274), (777, 20554), (903, 17686), (1434, 11137), (1554, 10277), (1591, 10038), (1673, 9546), (1806, 8843), (3182, 5019), (3346, 4773)]