628363515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 1118025216

約数和(自身を除く): 489661701

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 137, 195, 215, 411, 547, 559, 645, 685, 1641, 1677, 1781, 2055, 2735, 2795, 5343, 5891, 7111, 8205, 8385, 8905, 17673, 21333, 23521, 26715, 29455, 35555, 70563, 74939, 76583, 88365, 106665, 117605, 224817, 229749, 305773, 352815, 374695, 382915, 917319, 974207, 1124085, 1148745, 1528865, 2922621, 3222377, 4586595, 4871035, 9667131, 14613105, 16111885, 41890901, 48335655, 125672703, 209454505, 628363515]

約数ペア:

[(1, 628363515), (3, 209454505), (5, 125672703), (13, 48335655), (15, 41890901), (39, 16111885), (43, 14613105), (65, 9667131), (129, 4871035), (137, 4586595), (195, 3222377), (215, 2922621), (411, 1528865), (547, 1148745), (559, 1124085), (645, 974207), (685, 917319), (1641, 382915), (1677, 374695), (1781, 352815), (2055, 305773), (2735, 229749), (2795, 224817), (5343, 117605), (5891, 106665), (7111, 88365), (8205, 76583), (8385, 74939), (8905, 70563), (17673, 35555), (21333, 29455), (23521, 26715)]