66431410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 135146880

約数和(自身を除く): 68715470

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 131, 157, 170, 190, 262, 314, 323, 646, 655, 785, 1310, 1570, 1615, 2227, 2489, 2669, 2983, 3230, 4454, 4978, 5338, 5966, 11135, 12445, 13345, 14915, 20567, 22270, 24890, 26690, 29830, 41134, 42313, 50711, 84626, 101422, 102835, 205670, 211565, 253555, 349639, 390773, 423130, 507110, 699278, 781546, 1748195, 1953865, 3496390, 3907730, 6643141, 13286282, 33215705, 66431410]

約数ペア:

[(1, 66431410), (2, 33215705), (5, 13286282), (10, 6643141), (17, 3907730), (19, 3496390), (34, 1953865), (38, 1748195), (85, 781546), (95, 699278), (131, 507110), (157, 423130), (170, 390773), (190, 349639), (262, 253555), (314, 211565), (323, 205670), (646, 102835), (655, 101422), (785, 84626), (1310, 50711), (1570, 42313), (1615, 41134), (2227, 29830), (2489, 26690), (2669, 24890), (2983, 22270), (3230, 20567), (4454, 14915), (4978, 13345), (5338, 12445), (5966, 11135)]