28416115

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 44549568

約数和(自身を除く): 16133453

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 173, 247, 361, 455, 665, 865, 1211, 1235, 1729, 1805, 2249, 2527, 3287, 4693, 6055, 8645, 11245, 12635, 15743, 16435, 23009, 23465, 32851, 42731, 62453, 78715, 115045, 164255, 213655, 299117, 312265, 437171, 811889, 1495585, 2185855, 4059445, 5683223, 28416115]

約数ペア:

[(1, 28416115), (5, 5683223), (7, 4059445), (13, 2185855), (19, 1495585), (35, 811889), (65, 437171), (91, 312265), (95, 299117), (133, 213655), (173, 164255), (247, 115045), (361, 78715), (455, 62453), (665, 42731), (865, 32851), (1211, 23465), (1235, 23009), (1729, 16435), (1805, 15743), (2249, 12635), (2527, 11245), (3287, 8645), (4693, 6055)]