665143325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 1091930112

約数和(自身を除く): 426786787

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 83, 115, 161, 175, 181, 253, 275, 385, 415, 575, 581, 805, 905, 913, 1265, 1267, 1771, 1909, 1925, 1991, 2075, 2905, 4025, 4163, 4525, 4565, 6325, 6335, 6391, 8855, 9545, 9955, 13363, 13937, 14525, 15023, 20815, 20999, 22825, 29141, 31675, 31955, 44275, 45793, 47725, 49775, 66815, 69685, 75115, 104075, 104995, 105161, 145705, 146993, 159775, 165253, 228965, 320551, 334075, 345529, 348425, 375575, 524975, 525805, 728525, 734965, 826265, 1144825, 1156771, 1602755, 1727645, 2418703, 2629025, 3674825, 3800819, 4131325, 5783855, 8013775, 8638225, 12093515, 19004095, 26605733, 28919275, 60467575, 95020475, 133028665, 665143325]

約数ペア:

[(1, 665143325), (5, 133028665), (7, 95020475), (11, 60467575), (23, 28919275), (25, 26605733), (35, 19004095), (55, 12093515), (77, 8638225), (83, 8013775), (115, 5783855), (161, 4131325), (175, 3800819), (181, 3674825), (253, 2629025), (275, 2418703), (385, 1727645), (415, 1602755), (575, 1156771), (581, 1144825), (805, 826265), (905, 734965), (913, 728525), (1265, 525805), (1267, 524975), (1771, 375575), (1909, 348425), (1925, 345529), (1991, 334075), (2075, 320551), (2905, 228965), (4025, 165253), (4163, 159775), (4525, 146993), (4565, 145705), (6325, 105161), (6335, 104995), (6391, 104075), (8855, 75115), (9545, 69685), (9955, 66815), (13363, 49775), (13937, 47725), (14525, 45793), (15023, 44275), (20815, 31955), (20999, 31675), (22825, 29141)]