31158556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 38836964

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 47, 52, 61, 76, 94, 122, 143, 188, 209, 244, 247, 286, 418, 494, 517, 572, 611, 671, 793, 836, 893, 988, 1034, 1159, 1222, 1342, 1586, 1786, 2068, 2318, 2444, 2684, 2717, 2867, 3172, 3572, 4636, 5434, 5734, 6721, 8723, 9823, 10868, 11468, 11609, 12749, 13442, 15067, 17446, 19646, 23218, 25498, 26884, 30134, 31537, 34892, 37271, 39292, 46436, 50996, 54473, 60268, 63074, 74542, 108946, 126148, 127699, 149084, 165737, 217892, 255398, 331474, 409981, 510796, 599203, 662948, 708149, 819962, 1198406, 1416298, 1639924, 2396812, 2832596, 7789639, 15579278, 31158556]

約数ペア:

[(1, 31158556), (2, 15579278), (4, 7789639), (11, 2832596), (13, 2396812), (19, 1639924), (22, 1416298), (26, 1198406), (38, 819962), (44, 708149), (47, 662948), (52, 599203), (61, 510796), (76, 409981), (94, 331474), (122, 255398), (143, 217892), (188, 165737), (209, 149084), (244, 127699), (247, 126148), (286, 108946), (418, 74542), (494, 63074), (517, 60268), (572, 54473), (611, 50996), (671, 46436), (793, 39292), (836, 37271), (893, 34892), (988, 31537), (1034, 30134), (1159, 26884), (1222, 25498), (1342, 23218), (1586, 19646), (1786, 17446), (2068, 15067), (2318, 13442), (2444, 12749), (2684, 11609), (2717, 11468), (2867, 10868), (3172, 9823), (3572, 8723), (4636, 6721), (5434, 5734)]