51818890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 106064640

約数和(自身を除く): 54245750

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 61, 85, 95, 122, 170, 190, 263, 305, 323, 526, 610, 646, 1037, 1159, 1315, 1615, 2074, 2318, 2630, 3230, 4471, 4997, 5185, 5795, 8942, 9994, 10370, 11590, 16043, 19703, 22355, 24985, 32086, 39406, 44710, 49970, 80215, 84949, 98515, 160430, 169898, 197030, 272731, 304817, 424745, 545462, 609634, 849490, 1363655, 1524085, 2727310, 3048170, 5181889, 10363778, 25909445, 51818890]

約数ペア:

[(1, 51818890), (2, 25909445), (5, 10363778), (10, 5181889), (17, 3048170), (19, 2727310), (34, 1524085), (38, 1363655), (61, 849490), (85, 609634), (95, 545462), (122, 424745), (170, 304817), (190, 272731), (263, 197030), (305, 169898), (323, 160430), (526, 98515), (610, 84949), (646, 80215), (1037, 49970), (1159, 44710), (1315, 39406), (1615, 32086), (2074, 24985), (2318, 22355), (2630, 19703), (3230, 16043), (4471, 11590), (4997, 10370), (5185, 9994), (5795, 8942)]