28996974

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 69166080

約数和(自身を除く): 40169106

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 621, 631, 666, 851, 999, 1242, 1262, 1702, 1893, 1998, 2553, 3786, 5106, 5679, 7659, 11358, 14513, 15318, 17037, 22977, 23347, 29026, 34074, 43539, 45954, 46694, 70041, 87078, 130617, 140082, 210123, 261234, 391851, 420246, 536981, 630369, 783702, 1073962, 1260738, 1610943, 3221886, 4832829, 9665658, 14498487, 28996974]

約数ペア:

[(1, 28996974), (2, 14498487), (3, 9665658), (6, 4832829), (9, 3221886), (18, 1610943), (23, 1260738), (27, 1073962), (37, 783702), (46, 630369), (54, 536981), (69, 420246), (74, 391851), (111, 261234), (138, 210123), (207, 140082), (222, 130617), (333, 87078), (414, 70041), (621, 46694), (631, 45954), (666, 43539), (851, 34074), (999, 29026), (1242, 23347), (1262, 22977), (1702, 17037), (1893, 15318), (1998, 14513), (2553, 11358), (3786, 7659), (5106, 5679)]