71985844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 149667840

約数和(自身を除く): 77681996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 239, 347, 434, 478, 694, 868, 956, 1388, 1673, 2429, 3346, 4858, 6692, 7409, 9716, 10757, 14818, 21514, 29636, 43028, 51863, 75299, 82933, 103726, 150598, 165866, 207452, 301196, 331732, 580531, 1161062, 2322124, 2570923, 5141846, 10283692, 17996461, 35992922, 71985844]

約数ペア:

[(1, 71985844), (2, 35992922), (4, 17996461), (7, 10283692), (14, 5141846), (28, 2570923), (31, 2322124), (62, 1161062), (124, 580531), (217, 331732), (239, 301196), (347, 207452), (434, 165866), (478, 150598), (694, 103726), (868, 82933), (956, 75299), (1388, 51863), (1673, 43028), (2429, 29636), (3346, 21514), (4858, 14818), (6692, 10757), (7409, 9716)]