28103688

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{3581}}^1$

素因数の和:3702

約数の個数: 48

約数和(自身を含む): 76833900

約数和(自身を除く): 48730212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 3581, 3924, 7162, 7848, 10743, 14324, 21486, 28648, 32229, 42972, 64458, 85944, 128916, 257832, 390329, 780658, 1170987, 1561316, 2341974, 3122632, 3512961, 4683948, 7025922, 9367896, 14051844, 28103688]

約数ペア:

[(1, 28103688), (2, 14051844), (3, 9367896), (4, 7025922), (6, 4683948), (8, 3512961), (9, 3122632), (12, 2341974), (18, 1561316), (24, 1170987), (36, 780658), (72, 390329), (109, 257832), (218, 128916), (327, 85944), (436, 64458), (654, 42972), (872, 32229), (981, 28648), (1308, 21486), (1962, 14324), (2616, 10743), (3581, 7848), (3924, 7162)]