7784658

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 19908096

約数和(自身を除く): 12123438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 1993, 3906, 3986, 5979, 11958, 13951, 17937, 27902, 35874, 41853, 61783, 83706, 123566, 125559, 185349, 251118, 370698, 432481, 556047, 864962, 1112094, 1297443, 2594886, 3892329, 7784658]

約数ペア:

[(1, 7784658), (2, 3892329), (3, 2594886), (6, 1297443), (7, 1112094), (9, 864962), (14, 556047), (18, 432481), (21, 370698), (31, 251118), (42, 185349), (62, 125559), (63, 123566), (93, 83706), (126, 61783), (186, 41853), (217, 35874), (279, 27902), (434, 17937), (558, 13951), (651, 11958), (1302, 5979), (1953, 3986), (1993, 3906)]