31418624

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 67108608

約数和(自身を除く): 35689984

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 107, 124, 128, 148, 214, 248, 256, 296, 428, 496, 592, 856, 992, 1147, 1184, 1712, 1984, 2294, 2368, 3317, 3424, 3959, 3968, 4588, 4736, 6634, 6848, 7918, 7936, 9176, 9472, 13268, 13696, 15836, 18352, 26536, 27392, 31672, 36704, 53072, 63344, 73408, 106144, 122729, 126688, 146816, 212288, 245458, 253376, 293632, 424576, 490916, 506752, 849152, 981832, 1013504, 1963664, 3927328, 7854656, 15709312, 31418624]

約数ペア:

[(1, 31418624), (2, 15709312), (4, 7854656), (8, 3927328), (16, 1963664), (31, 1013504), (32, 981832), (37, 849152), (62, 506752), (64, 490916), (74, 424576), (107, 293632), (124, 253376), (128, 245458), (148, 212288), (214, 146816), (248, 126688), (256, 122729), (296, 106144), (428, 73408), (496, 63344), (592, 53072), (856, 36704), (992, 31672), (1147, 27392), (1184, 26536), (1712, 18352), (1984, 15836), (2294, 13696), (2368, 13268), (3317, 9472), (3424, 9176), (3959, 7936), (3968, 7918), (4588, 6848), (4736, 6634)]