721341108

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{2039}}^1$

素因数の和:2397

約数の個数: 72

約数和(自身を含む): 1889072640

約数和(自身を除く): 1167731532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 317, 372, 558, 634, 951, 1116, 1268, 1902, 2039, 2853, 3804, 4078, 5706, 6117, 8156, 9827, 11412, 12234, 18351, 19654, 24468, 29481, 36702, 39308, 58962, 63209, 73404, 88443, 117924, 126418, 176886, 189627, 252836, 353772, 379254, 568881, 646363, 758508, 1137762, 1292726, 1939089, 2275524, 2585452, 3878178, 5817267, 7756356, 11634534, 20037253, 23269068, 40074506, 60111759, 80149012, 120223518, 180335277, 240447036, 360670554, 721341108]

約数ペア:

[(1, 721341108), (2, 360670554), (3, 240447036), (4, 180335277), (6, 120223518), (9, 80149012), (12, 60111759), (18, 40074506), (31, 23269068), (36, 20037253), (62, 11634534), (93, 7756356), (124, 5817267), (186, 3878178), (279, 2585452), (317, 2275524), (372, 1939089), (558, 1292726), (634, 1137762), (951, 758508), (1116, 646363), (1268, 568881), (1902, 379254), (2039, 353772), (2853, 252836), (3804, 189627), (4078, 176886), (5706, 126418), (6117, 117924), (8156, 88443), (9827, 73404), (11412, 63209), (12234, 58962), (18351, 39308), (19654, 36702), (24468, 29481)]