31130398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 26023202

約数列:

[1, 2, 13, 19, 26, 29, 38, 41, 53, 58, 82, 106, 247, 377, 494, 533, 551, 689, 754, 779, 1007, 1066, 1102, 1189, 1378, 1537, 1558, 2014, 2173, 2378, 3074, 4346, 7163, 10127, 13091, 14326, 15457, 19981, 20254, 22591, 26182, 28249, 29203, 30914, 39962, 41287, 45182, 56498, 58406, 63017, 82574, 126034, 293683, 379639, 536731, 587366, 759278, 819221, 1073462, 1197323, 1638442, 2394646, 15565199, 31130398]

約数ペア:

[(1, 31130398), (2, 15565199), (13, 2394646), (19, 1638442), (26, 1197323), (29, 1073462), (38, 819221), (41, 759278), (53, 587366), (58, 536731), (82, 379639), (106, 293683), (247, 126034), (377, 82574), (494, 63017), (533, 58406), (551, 56498), (689, 45182), (754, 41287), (779, 39962), (1007, 30914), (1066, 29203), (1102, 28249), (1189, 26182), (1378, 22591), (1537, 20254), (1558, 19981), (2014, 15457), (2173, 14326), (2378, 13091), (3074, 10127), (4346, 7163)]