27391910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 62705664

約数和(自身を除く): 35313754

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 971, 1085, 1942, 2015, 2170, 2821, 4030, 4855, 5642, 6797, 9710, 12623, 13594, 14105, 25246, 28210, 30101, 33985, 60202, 63115, 67970, 88361, 126230, 150505, 176722, 210707, 301010, 391313, 421414, 441805, 782626, 883610, 1053535, 1956565, 2107070, 2739191, 3913130, 5478382, 13695955, 27391910]

約数ペア:

[(1, 27391910), (2, 13695955), (5, 5478382), (7, 3913130), (10, 2739191), (13, 2107070), (14, 1956565), (26, 1053535), (31, 883610), (35, 782626), (62, 441805), (65, 421414), (70, 391313), (91, 301010), (130, 210707), (155, 176722), (182, 150505), (217, 126230), (310, 88361), (403, 67970), (434, 63115), (455, 60202), (806, 33985), (910, 30101), (971, 28210), (1085, 25246), (1942, 14105), (2015, 13594), (2170, 12623), (2821, 9710), (4030, 6797), (4855, 5642)]