290142008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{146833}}^1$

素因数の和:146871

約数の個数: 32

約数和(自身を含む): 616702800

約数和(自身を除く): 326560792

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 146833, 293666, 587332, 1174664, 1908829, 2789827, 3817658, 5579654, 7635316, 11159308, 15270632, 22318616, 36267751, 72535502, 145071004, 290142008]

約数ペア:

[(1, 290142008), (2, 145071004), (4, 72535502), (8, 36267751), (13, 22318616), (19, 15270632), (26, 11159308), (38, 7635316), (52, 5579654), (76, 3817658), (104, 2789827), (152, 1908829), (247, 1174664), (494, 587332), (988, 293666), (1976, 146833)]