9900319588

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3301}}^1$

素因数の和:3441

約数の個数: 72

約数和(自身を含む): 19162800384

約数和(自身を除く): 9262480796

約数列:

[1, 2, 4, 19, 31, 38, 62, 67, 76, 124, 134, 268, 361, 589, 722, 1178, 1273, 1444, 2077, 2356, 2546, 3301, 4154, 5092, 6602, 8308, 11191, 13204, 22382, 24187, 39463, 44764, 48374, 62719, 78926, 96748, 102331, 125438, 157852, 204662, 221167, 250876, 409324, 442334, 749797, 884668, 1191661, 1499594, 1944289, 2383322, 2999188, 3888578, 4202173, 4766644, 6856177, 7777156, 8404346, 13712354, 16808692, 27424708, 36941491, 73882982, 79841287, 130267363, 147765964, 159682574, 260534726, 319365148, 521069452, 2475079897, 4950159794, 9900319588]

約数ペア:

[(1, 9900319588), (2, 4950159794), (4, 2475079897), (19, 521069452), (31, 319365148), (38, 260534726), (62, 159682574), (67, 147765964), (76, 130267363), (124, 79841287), (134, 73882982), (268, 36941491), (361, 27424708), (589, 16808692), (722, 13712354), (1178, 8404346), (1273, 7777156), (1444, 6856177), (2077, 4766644), (2356, 4202173), (2546, 3888578), (3301, 2999188), (4154, 2383322), (5092, 1944289), (6602, 1499594), (8308, 1191661), (11191, 884668), (13204, 749797), (22382, 442334), (24187, 409324), (39463, 250876), (44764, 221167), (48374, 204662), (62719, 157852), (78926, 125438), (96748, 102331)]