28371954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 63745920

約数和(自身を除く): 35373966

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 67, 78, 89, 122, 134, 178, 183, 201, 267, 366, 402, 534, 793, 871, 1157, 1586, 1742, 2314, 2379, 2613, 3471, 4087, 4758, 5226, 5429, 5963, 6942, 8174, 10858, 11926, 12261, 16287, 17889, 24522, 32574, 35778, 53131, 70577, 77519, 106262, 141154, 155038, 159393, 211731, 232557, 318786, 363743, 423462, 465114, 727486, 1091229, 2182458, 4728659, 9457318, 14185977, 28371954]

約数ペア:

[(1, 28371954), (2, 14185977), (3, 9457318), (6, 4728659), (13, 2182458), (26, 1091229), (39, 727486), (61, 465114), (67, 423462), (78, 363743), (89, 318786), (122, 232557), (134, 211731), (178, 159393), (183, 155038), (201, 141154), (267, 106262), (366, 77519), (402, 70577), (534, 53131), (793, 35778), (871, 32574), (1157, 24522), (1586, 17889), (1742, 16287), (2314, 12261), (2379, 11926), (2613, 10858), (3471, 8174), (4087, 6942), (4758, 5963), (5226, 5429)]