251689295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 379330560

約数和(自身を除く): 127641265

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 97, 143, 191, 209, 247, 485, 715, 955, 1045, 1067, 1235, 1261, 1843, 2101, 2483, 2717, 3629, 5335, 6305, 9215, 10505, 12415, 13585, 13871, 18145, 18527, 20273, 23959, 27313, 39919, 47177, 69355, 92635, 101365, 119795, 136565, 199595, 203797, 235885, 240851, 263549, 352013, 518947, 1018985, 1204255, 1317745, 1760065, 2594735, 2649361, 3872143, 4576169, 13246805, 19360715, 22880845, 50337859, 251689295]

約数ペア:

[(1, 251689295), (5, 50337859), (11, 22880845), (13, 19360715), (19, 13246805), (55, 4576169), (65, 3872143), (95, 2649361), (97, 2594735), (143, 1760065), (191, 1317745), (209, 1204255), (247, 1018985), (485, 518947), (715, 352013), (955, 263549), (1045, 240851), (1067, 235885), (1235, 203797), (1261, 199595), (1843, 136565), (2101, 119795), (2483, 101365), (2717, 92635), (3629, 69355), (5335, 47177), (6305, 39919), (9215, 27313), (10505, 23959), (12415, 20273), (13585, 18527), (13871, 18145)]