1666886988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{344683}}^1$

素因数の和:344734

約数の個数: 48

約数和(自身を含む): 4323716096

約数和(自身を除く): 2656829108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 344683, 689366, 1034049, 1378732, 2068098, 4136196, 4480879, 8961758, 10685173, 13442637, 17923516, 21370346, 26885274, 32055519, 42740692, 53770548, 64111038, 128222076, 138907249, 277814498, 416721747, 555628996, 833443494, 1666886988]

約数ペア:

[(1, 1666886988), (2, 833443494), (3, 555628996), (4, 416721747), (6, 277814498), (12, 138907249), (13, 128222076), (26, 64111038), (31, 53770548), (39, 42740692), (52, 32055519), (62, 26885274), (78, 21370346), (93, 17923516), (124, 13442637), (156, 10685173), (186, 8961758), (372, 4480879), (403, 4136196), (806, 2068098), (1209, 1378732), (1612, 1034049), (2418, 689366), (4836, 344683)]