15890988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 39934944

約数和(自身を除く): 24043956

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 61, 68, 102, 122, 183, 204, 244, 366, 732, 1037, 1277, 2074, 2554, 3111, 3831, 4148, 5108, 6222, 7662, 12444, 15324, 21709, 43418, 65127, 77897, 86836, 130254, 155794, 233691, 260508, 311588, 467382, 934764, 1324249, 2648498, 3972747, 5296996, 7945494, 15890988]

約数ペア:

[(1, 15890988), (2, 7945494), (3, 5296996), (4, 3972747), (6, 2648498), (12, 1324249), (17, 934764), (34, 467382), (51, 311588), (61, 260508), (68, 233691), (102, 155794), (122, 130254), (183, 86836), (204, 77897), (244, 65127), (366, 43418), (732, 21709), (1037, 15324), (1277, 12444), (2074, 7662), (2554, 6222), (3111, 5108), (3831, 4148)]