64880388

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 171184832

約数和(自身を除く): 106304444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 67, 74, 111, 134, 148, 201, 222, 268, 333, 402, 444, 603, 666, 727, 804, 1206, 1332, 1454, 2181, 2412, 2479, 2908, 4362, 4958, 6543, 7437, 8724, 9916, 13086, 14874, 22311, 26172, 26899, 29748, 44622, 48709, 53798, 80697, 89244, 97418, 107596, 146127, 161394, 194836, 242091, 292254, 322788, 438381, 484182, 584508, 876762, 968364, 1753524, 1802233, 3604466, 5406699, 7208932, 10813398, 16220097, 21626796, 32440194, 64880388]

約数ペア:

[(1, 64880388), (2, 32440194), (3, 21626796), (4, 16220097), (6, 10813398), (9, 7208932), (12, 5406699), (18, 3604466), (36, 1802233), (37, 1753524), (67, 968364), (74, 876762), (111, 584508), (134, 484182), (148, 438381), (201, 322788), (222, 292254), (268, 242091), (333, 194836), (402, 161394), (444, 146127), (603, 107596), (666, 97418), (727, 89244), (804, 80697), (1206, 53798), (1332, 48709), (1454, 44622), (2181, 29748), (2412, 26899), (2479, 26172), (2908, 22311), (4362, 14874), (4958, 13086), (6543, 9916), (7437, 8724)]