219718655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 313528320

約数和(自身を除く): 93809665

約数列:

[1, 5, 13, 23, 47, 53, 59, 65, 115, 235, 265, 295, 299, 611, 689, 767, 1081, 1219, 1357, 1495, 2491, 2773, 3055, 3127, 3445, 3835, 5405, 6095, 6785, 12455, 13865, 14053, 15635, 15847, 17641, 32383, 36049, 40651, 57293, 63779, 70265, 71921, 79235, 88205, 146969, 161915, 180245, 203255, 286465, 318895, 359605, 734845, 744809, 829127, 934973, 1910597, 3380287, 3724045, 4145635, 4674865, 9552985, 16901435, 43943731, 219718655]

約数ペア:

[(1, 219718655), (5, 43943731), (13, 16901435), (23, 9552985), (47, 4674865), (53, 4145635), (59, 3724045), (65, 3380287), (115, 1910597), (235, 934973), (265, 829127), (295, 744809), (299, 734845), (611, 359605), (689, 318895), (767, 286465), (1081, 203255), (1219, 180245), (1357, 161915), (1495, 146969), (2491, 88205), (2773, 79235), (3055, 71921), (3127, 70265), (3445, 63779), (3835, 57293), (5405, 40651), (6095, 36049), (6785, 32383), (12455, 17641), (13865, 15847), (14053, 15635)]