251287452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 108

約数和(自身を含む): 696228624

約数和(自身を除く): 444941172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 169, 206, 234, 309, 338, 401, 412, 468, 507, 618, 676, 802, 927, 1014, 1203, 1236, 1339, 1521, 1604, 1854, 2028, 2406, 2678, 3042, 3609, 3708, 4017, 4812, 5213, 5356, 6084, 7218, 8034, 10426, 12051, 14436, 15639, 16068, 17407, 20852, 24102, 31278, 34814, 41303, 46917, 48204, 52221, 62556, 67769, 69628, 82606, 93834, 104442, 123909, 135538, 156663, 165212, 187668, 203307, 208884, 247818, 271076, 313326, 371727, 406614, 495636, 536939, 609921, 626652, 743454, 813228, 1073878, 1219842, 1486908, 1610817, 2147756, 2439684, 3221634, 4832451, 6443268, 6980207, 9664902, 13960414, 19329804, 20940621, 27920828, 41881242, 62821863, 83762484, 125643726, 251287452]

約数ペア:

[(1, 251287452), (2, 125643726), (3, 83762484), (4, 62821863), (6, 41881242), (9, 27920828), (12, 20940621), (13, 19329804), (18, 13960414), (26, 9664902), (36, 6980207), (39, 6443268), (52, 4832451), (78, 3221634), (103, 2439684), (117, 2147756), (156, 1610817), (169, 1486908), (206, 1219842), (234, 1073878), (309, 813228), (338, 743454), (401, 626652), (412, 609921), (468, 536939), (507, 495636), (618, 406614), (676, 371727), (802, 313326), (927, 271076), (1014, 247818), (1203, 208884), (1236, 203307), (1339, 187668), (1521, 165212), (1604, 156663), (1854, 135538), (2028, 123909), (2406, 104442), (2678, 93834), (3042, 82606), (3609, 69628), (3708, 67769), (4017, 62556), (4812, 52221), (5213, 48204), (5356, 46917), (6084, 41303), (7218, 34814), (8034, 31278), (10426, 24102), (12051, 20852), (14436, 17407), (15639, 16068)]