73991372

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 164898720

約数和(自身を除く): 90907348

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 142, 182, 196, 284, 364, 409, 497, 637, 818, 923, 994, 1274, 1636, 1846, 1988, 2548, 2863, 3479, 3692, 5317, 5726, 6461, 6958, 10634, 11452, 12922, 13916, 20041, 21268, 25844, 29039, 37219, 40082, 45227, 58078, 74438, 80164, 90454, 116156, 148876, 180908, 203273, 260533, 377507, 406546, 521066, 755014, 813092, 1042132, 1422911, 1510028, 2642549, 2845822, 5285098, 5691644, 10570196, 18497843, 36995686, 73991372]

約数ペア:

[(1, 73991372), (2, 36995686), (4, 18497843), (7, 10570196), (13, 5691644), (14, 5285098), (26, 2845822), (28, 2642549), (49, 1510028), (52, 1422911), (71, 1042132), (91, 813092), (98, 755014), (142, 521066), (182, 406546), (196, 377507), (284, 260533), (364, 203273), (409, 180908), (497, 148876), (637, 116156), (818, 90454), (923, 80164), (994, 74438), (1274, 58078), (1636, 45227), (1846, 40082), (1988, 37219), (2548, 29039), (2863, 25844), (3479, 21268), (3692, 20041), (5317, 13916), (5726, 12922), (6461, 11452), (6958, 10634)]