2131831312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17401}}^1$

素因数の和:17472

約数の個数: 80

約数和(自身を含む): 4833579520

約数和(自身を除く): 2701748208

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 3952, 4712, 6448, 7657, 9424, 15314, 17401, 30628, 34802, 61256, 69604, 122512, 139208, 226213, 278416, 330619, 452426, 539431, 661238, 904852, 1078862, 1322476, 1809704, 2157724, 2644952, 3619408, 4298047, 4315448, 5289904, 7012603, 8596094, 8630896, 10249189, 14025206, 17192188, 20498378, 28050412, 34384376, 40996756, 56100824, 68768752, 81993512, 112201648, 133239457, 163987024, 266478914, 532957828, 1065915656, 2131831312]

約数ペア:

[(1, 2131831312), (2, 1065915656), (4, 532957828), (8, 266478914), (13, 163987024), (16, 133239457), (19, 112201648), (26, 81993512), (31, 68768752), (38, 56100824), (52, 40996756), (62, 34384376), (76, 28050412), (104, 20498378), (124, 17192188), (152, 14025206), (208, 10249189), (247, 8630896), (248, 8596094), (304, 7012603), (403, 5289904), (494, 4315448), (496, 4298047), (589, 3619408), (806, 2644952), (988, 2157724), (1178, 1809704), (1612, 1322476), (1976, 1078862), (2356, 904852), (3224, 661238), (3952, 539431), (4712, 452426), (6448, 330619), (7657, 278416), (9424, 226213), (15314, 139208), (17401, 122512), (30628, 69604), (34802, 61256)]