42528590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 86994432

約数和(自身を除く): 44465842

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 173, 305, 310, 346, 403, 610, 793, 806, 865, 1586, 1730, 1891, 2015, 2249, 3782, 3965, 4030, 4498, 5363, 7930, 9455, 10553, 10726, 11245, 18910, 21106, 22490, 24583, 26815, 49166, 52765, 53630, 69719, 105530, 122915, 137189, 139438, 245830, 274378, 327143, 348595, 654286, 685945, 697190, 1371890, 1635715, 3271430, 4252859, 8505718, 21264295, 42528590]

約数ペア:

[(1, 42528590), (2, 21264295), (5, 8505718), (10, 4252859), (13, 3271430), (26, 1635715), (31, 1371890), (61, 697190), (62, 685945), (65, 654286), (122, 348595), (130, 327143), (155, 274378), (173, 245830), (305, 139438), (310, 137189), (346, 122915), (403, 105530), (610, 69719), (793, 53630), (806, 52765), (865, 49166), (1586, 26815), (1730, 24583), (1891, 22490), (2015, 21106), (2249, 18910), (3782, 11245), (3965, 10726), (4030, 10553), (4498, 9455), (5363, 7930)]