289897972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 663828480

約数和(自身を除く): 373930508

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 167, 182, 247, 251, 266, 334, 364, 494, 502, 532, 668, 988, 1004, 1169, 1729, 1757, 2171, 2338, 3173, 3263, 3458, 3514, 4342, 4676, 4769, 6346, 6526, 6916, 7028, 8684, 9538, 12692, 13052, 15197, 19076, 22211, 22841, 30394, 33383, 41249, 41917, 44422, 45682, 60788, 61997, 66766, 82498, 83834, 88844, 91364, 123994, 133532, 164996, 167668, 247988, 288743, 293419, 433979, 544921, 577486, 586838, 796423, 867958, 1089842, 1154972, 1173676, 1592846, 1735916, 2179684, 3185692, 3814447, 5574961, 7628894, 10353499, 11149922, 15257788, 20706998, 22299844, 41413996, 72474493, 144948986, 289897972]

約数ペア:

[(1, 289897972), (2, 144948986), (4, 72474493), (7, 41413996), (13, 22299844), (14, 20706998), (19, 15257788), (26, 11149922), (28, 10353499), (38, 7628894), (52, 5574961), (76, 3814447), (91, 3185692), (133, 2179684), (167, 1735916), (182, 1592846), (247, 1173676), (251, 1154972), (266, 1089842), (334, 867958), (364, 796423), (494, 586838), (502, 577486), (532, 544921), (668, 433979), (988, 293419), (1004, 288743), (1169, 247988), (1729, 167668), (1757, 164996), (2171, 133532), (2338, 123994), (3173, 91364), (3263, 88844), (3458, 83834), (3514, 82498), (4342, 66766), (4676, 61997), (4769, 60788), (6346, 45682), (6526, 44422), (6916, 41917), (7028, 41249), (8684, 33383), (9538, 30394), (12692, 22841), (13052, 22211), (15197, 19076)]