78453830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 176335488

約数和(自身を除く): 97881658

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 455, 511, 730, 910, 949, 1022, 1181, 1898, 2362, 2555, 4745, 5110, 5905, 6643, 8267, 9490, 11810, 13286, 15353, 16534, 30706, 33215, 41335, 66430, 76765, 82670, 86213, 107471, 153530, 172426, 214942, 431065, 537355, 603491, 862130, 1074710, 1120769, 1206982, 2241538, 3017455, 5603845, 6034910, 7845383, 11207690, 15690766, 39226915, 78453830]

約数ペア:

[(1, 78453830), (2, 39226915), (5, 15690766), (7, 11207690), (10, 7845383), (13, 6034910), (14, 5603845), (26, 3017455), (35, 2241538), (65, 1206982), (70, 1120769), (73, 1074710), (91, 862130), (130, 603491), (146, 537355), (182, 431065), (365, 214942), (455, 172426), (511, 153530), (730, 107471), (910, 86213), (949, 82670), (1022, 76765), (1181, 66430), (1898, 41335), (2362, 33215), (2555, 30706), (4745, 16534), (5110, 15353), (5905, 13286), (6643, 11810), (8267, 9490)]