215866908

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{14243}}^1$

素因数の和:14674

約数の個数: 36

約数和(自身を含む): 546998088

約数和(自身を除く): 331131180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 14243, 15156, 28486, 42729, 56972, 85458, 128187, 170916, 256374, 512748, 5996303, 11992606, 17988909, 23985212, 35977818, 53966727, 71955636, 107933454, 215866908]

約数ペア:

[(1, 215866908), (2, 107933454), (3, 71955636), (4, 53966727), (6, 35977818), (9, 23985212), (12, 17988909), (18, 11992606), (36, 5996303), (421, 512748), (842, 256374), (1263, 170916), (1684, 128187), (2526, 85458), (3789, 56972), (5052, 42729), (7578, 28486), (14243, 15156)]