381373590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977881}}^1$

素因数の和:977904

約数の個数: 32

約数和(自身を含む): 985705056

約数和(自身を除く): 604331466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 977881, 1955762, 2933643, 4889405, 5867286, 9778810, 12712453, 14668215, 25424906, 29336430, 38137359, 63562265, 76274718, 127124530, 190686795, 381373590]

約数ペア:

[(1, 381373590), (2, 190686795), (3, 127124530), (5, 76274718), (6, 63562265), (10, 38137359), (13, 29336430), (15, 25424906), (26, 14668215), (30, 12712453), (39, 9778810), (65, 5867286), (78, 4889405), (130, 2933643), (195, 1955762), (390, 977881)]