31519312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39190448

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 53, 62, 88, 106, 109, 124, 176, 212, 218, 248, 341, 424, 436, 496, 583, 682, 848, 872, 1166, 1199, 1364, 1643, 1744, 2332, 2398, 2728, 3286, 3379, 4664, 4796, 5456, 5777, 6572, 6758, 9328, 9592, 11554, 13144, 13516, 18073, 19184, 23108, 26288, 27032, 36146, 37169, 46216, 54064, 63547, 72292, 74338, 92432, 127094, 144584, 148676, 179087, 254188, 289168, 297352, 358174, 508376, 594704, 716348, 1016752, 1432696, 1969957, 2865392, 3939914, 7879828, 15759656, 31519312]

約数ペア:

[(1, 31519312), (2, 15759656), (4, 7879828), (8, 3939914), (11, 2865392), (16, 1969957), (22, 1432696), (31, 1016752), (44, 716348), (53, 594704), (62, 508376), (88, 358174), (106, 297352), (109, 289168), (124, 254188), (176, 179087), (212, 148676), (218, 144584), (248, 127094), (341, 92432), (424, 74338), (436, 72292), (496, 63547), (583, 54064), (682, 46216), (848, 37169), (872, 36146), (1166, 27032), (1199, 26288), (1364, 23108), (1643, 19184), (1744, 18073), (2332, 13516), (2398, 13144), (2728, 11554), (3286, 9592), (3379, 9328), (4664, 6758), (4796, 6572), (5456, 5777)]