205956374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 154020586

約数列:

[1, 2, 13, 26, 31, 59, 61, 62, 71, 118, 122, 142, 403, 767, 793, 806, 923, 1534, 1586, 1829, 1846, 1891, 2201, 3599, 3658, 3782, 4189, 4331, 4402, 7198, 8378, 8662, 23777, 24583, 28613, 46787, 47554, 49166, 54457, 56303, 57226, 93574, 108914, 111569, 112606, 129859, 134261, 223138, 255529, 259718, 268522, 511058, 1450397, 1688167, 1745393, 2900794, 3321877, 3376334, 3490786, 6643754, 7921399, 15842798, 102978187, 205956374]

約数ペア:

[(1, 205956374), (2, 102978187), (13, 15842798), (26, 7921399), (31, 6643754), (59, 3490786), (61, 3376334), (62, 3321877), (71, 2900794), (118, 1745393), (122, 1688167), (142, 1450397), (403, 511058), (767, 268522), (793, 259718), (806, 255529), (923, 223138), (1534, 134261), (1586, 129859), (1829, 112606), (1846, 111569), (1891, 108914), (2201, 93574), (3599, 57226), (3658, 56303), (3782, 54457), (4189, 49166), (4331, 47554), (4402, 46787), (7198, 28613), (8378, 24583), (8662, 23777)]