401481808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{21211}}^1$

素因数の和:21252

約数の個数: 60

約数和(自身を含む): 962685408

約数和(自身を除く): 561203600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 21211, 42422, 84844, 148477, 169688, 275743, 296954, 339376, 551486, 593908, 1102972, 1187816, 1930201, 2205944, 2375632, 3584659, 3860402, 4411888, 7169318, 7720804, 14338636, 15441608, 25092613, 28677272, 30883216, 50185226, 57354544, 100370452, 200740904, 401481808]

約数ペア:

[(1, 401481808), (2, 200740904), (4, 100370452), (7, 57354544), (8, 50185226), (13, 30883216), (14, 28677272), (16, 25092613), (26, 15441608), (28, 14338636), (52, 7720804), (56, 7169318), (91, 4411888), (104, 3860402), (112, 3584659), (169, 2375632), (182, 2205944), (208, 1930201), (338, 1187816), (364, 1102972), (676, 593908), (728, 551486), (1183, 339376), (1352, 296954), (1456, 275743), (2366, 169688), (2704, 148477), (4732, 84844), (9464, 42422), (18928, 21211)]