1221416368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{129607}}^1$

素因数の和:129665

約数の個数: 40

約数和(自身を含む): 2571422720

約数和(自身を除く): 1350006352

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 129607, 259214, 518428, 1036856, 2073712, 2462533, 4017817, 4925066, 8035634, 9850132, 16071268, 19700264, 32142536, 39400528, 64285072, 76338523, 152677046, 305354092, 610708184, 1221416368]

約数ペア:

[(1, 1221416368), (2, 610708184), (4, 305354092), (8, 152677046), (16, 76338523), (19, 64285072), (31, 39400528), (38, 32142536), (62, 19700264), (76, 16071268), (124, 9850132), (152, 8035634), (248, 4925066), (304, 4017817), (496, 2462533), (589, 2073712), (1178, 1036856), (2356, 518428), (4712, 259214), (9424, 129607)]