31901690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33416710

約数列:

[1, 2, 5, 10, 17, 23, 34, 41, 46, 82, 85, 115, 170, 199, 205, 230, 391, 398, 410, 697, 782, 943, 995, 1394, 1886, 1955, 1990, 3383, 3485, 3910, 4577, 4715, 6766, 6970, 8159, 9154, 9430, 16031, 16318, 16915, 22885, 32062, 33830, 40795, 45770, 77809, 80155, 81590, 138703, 155618, 160310, 187657, 277406, 375314, 389045, 693515, 778090, 938285, 1387030, 1876570, 3190169, 6380338, 15950845, 31901690]

約数ペア:

[(1, 31901690), (2, 15950845), (5, 6380338), (10, 3190169), (17, 1876570), (23, 1387030), (34, 938285), (41, 778090), (46, 693515), (82, 389045), (85, 375314), (115, 277406), (170, 187657), (199, 160310), (205, 155618), (230, 138703), (391, 81590), (398, 80155), (410, 77809), (697, 45770), (782, 40795), (943, 33830), (995, 32062), (1394, 22885), (1886, 16915), (1955, 16318), (1990, 16031), (3383, 9430), (3485, 9154), (3910, 8159), (4577, 6970), (4715, 6766)]